<template>
  <div class="container">
    <div class="app-container">
      <el-button class="btn-add" size="mini" type="primary" @click="onAdd(0,1)">添加权限</el-button>

      <el-table default-expand-all :data="list" row-key="id">
        <el-table-column prop="name" label="名称" />
        <el-table-column prop="code" label="标识" />
        <el-table-column prop="description" label="描述" />
        <el-table-column label="操作">

          <template #default="{ row }">
            <el-button v-if="row.type === 1" size="mini" type="text" @click="onAdd(row.id,2)">添加</el-button>

            <el-button size="mini" type="text" @click="onUpdate(row.id)">编辑</el-button>

            <el-button size="mini" type="text" @click="deletePermission(row.id)">删除</el-button>
          </template>

        </el-table-column>

      </el-table>

    </div>

    <!-- 放置一个弹层 用来编辑新增节点 -->
    <el-dialog :title="`${showText}权限点`" :visible="showDialog" @close="onCancel">
      <!-- 表单 -->
      <el-form ref="formData" :model="formData" :rules="rules" label-width="120px">
        <el-form-item prop="name" label="权限名称">
          <el-input v-model="formData.name" style="width:90%" />
        </el-form-item>

        <el-form-item prop="code" label="权限标识">
          <el-input v-model="formData.code" style="width:90%" />
        </el-form-item>

        <el-form-item prop="description" label="权限描述">
          <el-input v-model="formData.description" style="width:90%" />
        </el-form-item>

        <el-form-item prop="enVisible" label="开启">
          <el-switch v-model="formData.enVisible" active-value="1" inactive-value="0" />
        </el-form-item>

      </el-form>

      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" type="primary" @click="onSubmit">确定</el-button>

          <el-button size="small" @click="onCancel">取消</el-button>

        </el-col>

      </el-row>

    </el-dialog>
  </div>

</template>

<script>
import { addPermissionAPI, getPermissionDetailAPI, getPermissionListAPI, updatePermissionAPI, deletePermissionAPI } from '@/api/permission'
import { transListToTreeData } from '@/utils'

export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      formData: {
        name: '', // 名称
        code: '', // 标识
        description: '', // 描述
        type: '', // 类型 该类型 不需要显示 因为点击添加的时候已经知道类型了
        pid: '', // 因为做的是树 需要知道添加到哪个节点下了
        enVisible: '0' // 默认关闭
        // id: '' // 编辑的时候需要id
      },
      rules: {
        name: [{ required: true, message: '权限名称不能为空', trigger: 'blur' }],
        code: [{ required: true, message: '权限标识不能为空', trigger: 'blur' }]
      },
      showDialog: false,
      showText: '新增'
    }
  },
  created() {
    this.getPermissionList()
  },
  methods: {
    async getPermissionList() {
      const res = await getPermissionListAPI()
      console.log('权限列表', res)
      this.list = transListToTreeData(res, 0)
    },
    onAdd(pid, type) {
      // pid:  页面权限点pid值为'0', 按钮权限点值为所属页面权限点的id值
      // type: 1为页面路由权限点, 2为按钮权限点
      this.formData.pid = pid
      this.formData.type = type
      this.showDialog = true
      // console.log('this.formData  ----->  ', this.formData)
    },
    onUpdate(pid) {
      this.showText = '编辑'
      this.showDialog = true
      this.getPermissionDetail(pid)
    },
    async getPermissionDetail(pid) {
      // 调用接口获取权限点详情
      const res = await getPermissionDetailAPI(pid)
      this.formData = res
      console.log('权限点详情', this.formData)
    },
    onCancel() {
      this.showDialog = false
      this.$refs.formData.resetFields()
    },
    onSubmit() {
      this.$refs.formData.validate(async isOk => {
        if (isOk) {
          // 表单验证通过
          // 调用接口
          this.formData.id ? await updatePermissionAPI(this.formData) : await addPermissionAPI(this.formData)
          this.$message.success(this.formData.id ? '编辑成功' : '添加成功')
          this.onCancel()
          // 重新获取权限列表
          this.getPermissionList()
        }
      })
    },
    async deletePermission(id) {
      const res = await this.$confirm('确认删除吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
      if (res) {
        await deletePermissionAPI(id)
        this.getPermissionList()
        this.$message.success('删除成功')
      }
    }
  }
}
</script>

<style>
.btn-add {
  margin: 10px;
}
</style>
